Finding the Fourth Proportional to 35,070,128.96, 48,394,689.66 and 19,388,213.87
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Solution
The fourth proportional to 35,070,128.96, 48,394,689.66 and 19,388,213.87 is: 26,754,580.64
Step by Step Solution
- Step 1: Write the proportion equation
35,070,128.96 : 48,394,689.66 = 19,388,213.87 : x - Step 2: Convert to fraction form
35,070,128.96/48,394,689.66 = 19,388,213.87/x - Step 3: Cross multiply
35,070,128.96x = 48,394,689.66 × 19,388,213.87 - Step 4: Simplify right side
35,070,128.96x = 938,286,593,058,384 - Step 5: Solve for x
x = 938,286,593,058,384/35,070,128.96 - Step 6: Final answer
x = 26,754,580.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.